text: function bindec (binaryString) {
    //  discuss at: http://locutus.io/php/bindec/
    // original by: Philippe Baumann
    //   example 1: bindec('110011')
    //   returns 1: 51
    //   example 2: bindec('000110011')
    //   returns 2: 51
    //   example 3: bindec('111')
    //   returns 3: 7
  
    binaryString = (binaryString + '').replace(/[^01]/gi, '')
  
    return parseInt(binaryString, 2)
  }
  